author | Mikael Laine <mikael.laine@ixonos.com> |
Fri, 29 Jan 2010 14:08:33 +0200 | |
changeset 0 | 951a5db380a0 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2010 Ixonos Plc. |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - Initial contribution |
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* |
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* Contributors: |
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* Ixonos Plc |
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* |
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* Description: |
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* An application programming interface for core functions of |
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* video decoder. |
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* |
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*/ |
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#ifndef _VDC263_H_ |
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#define _VDC263_H_ |
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/* |
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* Includes |
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*/ |
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#include "biblin.h" |
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#include "vdeims.h" |
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/* |
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* Defines |
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*/ |
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/* Return values */ |
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// unify error codes |
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#define VDC_OK_BUT_NOT_CODED H263D_OK_BUT_NOT_CODED |
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/* not coded frame, |
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copied to output as is, |
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no decoded output generated */ |
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#define VDC_OK_BUT_FRAME_USELESS H263D_OK_BUT_FRAME_USELESS |
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/* Decoder behaved normally the decoded |
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frame(s) should not be displayed since |
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it is too heavily corrupted. */ |
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#define VDC_OK_BUT_BIT_ERROR H263D_OK_BUT_BIT_ERROR |
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/* The decoded frame(s) are degraded due |
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to transmission errors but can be |
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displayed due to successful error |
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concealment. */ |
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#define VDC_OK H263D_OK /* Everything ok. */ |
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#define VDC_ERR H263D_ERROR /* An unexpected processing error |
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occured. */ |
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#define VDC_ERR_NO_INTRA H263D_ERROR_NO_INTRA /* No INTRA frame has been decoded |
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and the current frame is INTER */ |
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/* vdcPictureHeader_t and vdxSEI_t related definitions */ |
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#define VDX_MAX_BYTES_IN_PIC_HEADER 44 |
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/* Maximum number of bytes allowed in |
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SEI picture header repetition. |
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Picture headers not including |
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BCM (Annex N video-mux back-channel), |
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RPRP (Annex P warping parameters), and |
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Annex U |
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allocate 152 bits = 19 bytes in |
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the worst case. |
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Our decoder does not support the features |
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mentioned above. However, to ensure |
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that introduction of any of the mentioned |
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tools would not break this mechanism, |
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a relatively large buffer is allocated |
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for picture header copies. Note that |
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Annex U does not have an upper limit |
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for picture header lengths. */ |
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/* |
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* Structs and typedefs |
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*/ |
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/* {{-output"vdcHInstance_t_info.txt" -ignore"*" -noCR}} |
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vdcHInstance_t is used as a unique identifier of a VDC instance. |
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The type can be casted to u_int32 or void pointer and then back to |
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vdcHInstance_t without any problems. |
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{{-output"vdcHInstance_t_info.txt"}} */ |
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/* {{-output"vdcHInstance_t.txt"}} */ |
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typedef void * vdcHInstance_t; |
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/* {{-output"vdcHInstance_t.txt"}} */ |
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/* The following vdx data types are defined here, because VDC exports |
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these structures (see vdcDecodePictureHeader). */ |
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/* |
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* vdxPictureHeader_t |
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*/ |
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/* {{-output"vdxPictureHeader_t_info.txt" -ignore"*" -noCR}} |
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The vdxGetPictureHeader function uses this structure to return the picture |
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header parameters. |
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{{-output"vdxPictureHeader_t_info.txt"}} */ |
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/* {{-output"vdxPictureHeader_t.txt"}} */ |
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typedef struct { |
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/* The following fields are always set */ |
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int numBits; /* number of bits in the picture header, |
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including PSC, excluding PSTUFF, PSUPP and |
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PEI */ |
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int tr; /* the TR field or a combination of ETR and TR |
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if ETR is used */ |
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int fSplitScreen; |
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int fDocumentCamera; |
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int fFreezePictureRelease; |
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int pictureType; /* Picture type is one of the following: |
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VDX_PIC_TYPE_I INTRA |
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VDX_PIC_TYPE_P INTER |
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VDX_PIC_TYPE_PB PB (Annex G) |
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VDX_PIC_TYPE_IPB Improved PB |
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VDX_PIC_TYPE_B B (Annex O) |
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VDX_PIC_TYPE_EI EI (Annex O) |
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VDX_PIC_TYPE_EP EP (Annex O) */ |
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int fPLUSPTYPE; /* 0 = no PLUSPTYPE, 1 = PLUSPTYPE exists */ |
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|
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int cpm; /* The CPM field */ |
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int psbi; /* The PSBI field, valid only if cpm == 1 */ |
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int pquant; /* The PQUANT field */ |
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int pquantPosition; /* Number of bits preceding the PQUANT field, |
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including PSC, excluding PSTUFF */ |
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/* The following fields are set |
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if pictureType == VDX_PIC_TYPE_PB || pictureType == VDX_PIC_TYPE_IPB */ |
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int trb; /* The TRB field */ |
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int dbquant; /* The DBQUANT field */ |
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|
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/* The following fields are set if fPLUSPTYPE == 0 || ufep == 1 */ |
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int lumWidth; /* the width and height of the luminance */ |
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int lumHeight; /* image */ |
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int fUMV; /* Unrestricted Motion Vector Mode */ |
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int fSAC; /* Syntax-based Arithmetic Coding Mode */ |
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int fAP; /* Advanced Prediction Mode */ |
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|
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/* The following fields are set if fPLUSPTYPE == 1 */ |
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int ufep; /* The UFEP field */ |
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|
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int fRPR; /* Reference Picture Resampling Mode */ |
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int fRRU; /* Reduced-Resolution Update Mode */ |
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int rtype; /* Rounding type (RTYPE) */ |
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|
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/* If Annex O is in use */ |
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int elnum; /* Enhancement layer number */ |
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|
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/* If the Reference Picture Selection mode is in use */ |
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int trpi; /* 1 = trp is valid */ |
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int trp; /* Temporal reference for prediction */ |
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|
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/* The following fields are set if ufep == 1 */ |
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int fCustomSourceFormat; |
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int fAIC; /* Advanced INTRA Coding Mode */ |
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int fDF; /* Deblocking Filter Mode */ |
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int fSS; /* Slice Structured Mode */ |
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int fRPS; /* Reference Picture Selection Mode */ |
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int fISD; /* Independent Segment Decoding Mode */ |
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int fAIV; /* Alternate INTER VLC Mode */ |
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int fMQ; /* Modified Quantization Mode */ |
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|
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int parWidth; /* Pixel aspect ratio = parWidth : parHeight */ |
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int parHeight; |
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|
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/* Picture Clock Frequence (PCF) fields */ |
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int fCustomPCF; /* 0 = CIF PCF, 1 = custom PCF */ |
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int pcfRate; /* PCF = pcfRate / pcfScale Hz */ |
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int pcfScale; |
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|
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/* If fUMV == 1 */ |
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int fUMVLimited; /* 0 = motion vector range is not limited, |
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1 = motion vector range is limited |
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according to Annex D */ |
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|
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/* If fSS == 1 */ |
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int fRectangularSlices; |
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/* 0 = free-running slices, |
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1 = rectangular slices */ |
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|
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int fArbitrarySliceOrdering; |
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/* 0 = sequential order */ |
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/* 1 = arbitrary order */ |
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|
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/* If Annex O is in use */ |
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int rlnum; /* Reference layer number */ |
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|
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/* If fRPS == 1 */ |
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int rpsMode; /* Reference Picture Selection Mode: |
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VDX_RPS_MODE_NO_MSGS |
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VDX_RPS_MODE_ACK |
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VDX_RPS_MODE_NACK |
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VDX_RPS_MODE_BOTH_MSGS */ |
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} vdxPictureHeader_t; |
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/* {{-output"vdxPictureHeader_t.txt"}} */ |
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/* |
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* vdxSEI_t |
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*/ |
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|
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/* {{-output"vdxSEI_t_info.txt" -ignore"*" -noCR}} |
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This structure is used to return parameters parsed from Supplemental |
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Enhancement Information. |
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{{-output"vdxSEI_t_info.txt"}} */ |
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/* {{-output"vdxSEI_t.txt"}} */ |
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typedef struct { |
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int fFullPictureFreezeRequest; /* 1 = Full-picture freeze requested as in |
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section L.4 of H.263, 0 otherwise */ |
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int fFullPictureSnapshot; /* 1 = Full-picture snapshot tag as in |
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section L.8 of H.263, 0 otherwise */ |
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u_int32 snapshotId; /* Snapshot identification number */ |
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u_int8 snapshotStatus; /* Snapshot transmission status */ |
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int scalabilityLayer; /* Annex N scalability layer for |
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the picture, -1 if not defined */ |
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int numScalabilityLayers; /* Number of Annex N scalability layers, |
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value from 2 to 15, |
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0 if no scalability layers in use. */ |
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u_char prevPicHeader[VDX_MAX_BYTES_IN_PIC_HEADER]; |
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/* Previous picture header repetition |
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in bit-stream syntax including |
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the first two bytes of PSC */ |
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int numBytesInPrevPicHeader; /* Number of bytes valid in prevPicHeader, |
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including the first two bytes of PSC |
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and the last byte of picture header |
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where the LSB bits are possibly not |
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belonging to the picture header copy */ |
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int numBitsInLastByteOfPrevPicHeader; |
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/* Number of valid bits in the last byte |
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of prevPicHeader (1..8) */ |
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int fPrevPicHeaderTooLarge; /* 1 if the previous picture header copy |
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did not fit into prevPicHeader, |
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0 otherwise */ |
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} vdxSEI_t; |
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/* {{-output"vdxSEI_t.txt"}} */ |
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/* |
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* Function prototypes, core.c |
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*/ |
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int vdcClose(vdcHInstance_t hInstance); |
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class CMPEG4Transcoder; |
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int vdcDecodeFrame(vdcHInstance_t hInstance, bibBuffer_t *inBuffer, bibBuffer_t *outBuffer, |
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bibBufferEdit_t *bufEdit, int aColorEffect, TBool aGetDecodedFrame, |
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CMPEG4Transcoder *hTranscoder); |
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int vdcDecodePictureHeader( |
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vdcHInstance_t hInstance, |
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bibBuffer_t *inBuffer, |
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vdxPictureHeader_t *header, |
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vdxSEI_t *sei); |
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int vdcFree(void); |
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vdeImsItem_t *vdcGetImsItem(vdcHInstance_t hInstance, int index); |
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int vdcGetNumberOfAnnexNScalabilityLayers( |
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vdcHInstance_t hInstance); |
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int vdcGetNumberOfOutputFrames(vdcHInstance_t hInstance); |
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void vdcGetTR(void *inpBuffer, u_int8 *tr); |
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int vdcIsEOSReached(vdcHInstance_t hInstance); |
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int vdcIsINTRA( |
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vdcHInstance_t hInstance, |
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void *frameStart, |
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unsigned frameLength); |
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303 |
|
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int vdcIsINTRAGot(vdcHInstance_t hInstance); |
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int vdcIsPB( |
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vdcHInstance_t hInstance, |
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void *frameStart, |
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unsigned frameLength); |
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int vdcLoad(void); |
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vdcHInstance_t vdcOpen( |
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vdeIms_t *imageStore, |
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315 |
int numReferenceFrames, |
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void *hParent); |
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void vdcRestartVideo(vdcHInstance_t hInstance); |
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int vdcSetBackChannelUsage(vdcHInstance_t hInstance, int fSendMessages); |
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int vdcSetErrorResilience(vdcHInstance_t hInstance, int feature, int value); |
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324 |
int vdcSetStartOrEndSnapshotCallback( |
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Committing the Video Editor package under the Eclipse Public License
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vdcHInstance_t hInstance, |
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326 |
u_int32 mode, |
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Committing the Video Editor package under the Eclipse Public License
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327 |
u_int32 callback); |
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int vdcGetSnapshotStatus(vdcHInstance_t hInstance); |
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int vdcSetReportPictureSizeCallback( |
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Committing the Video Editor package under the Eclipse Public License
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vdcHInstance_t hInstance, |
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Committing the Video Editor package under the Eclipse Public License
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333 |
u_int32 callback); |
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Committing the Video Editor package under the Eclipse Public License
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|
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Committing the Video Editor package under the Eclipse Public License
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/* |
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Committing the Video Editor package under the Eclipse Public License
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336 |
* Function prototypes, core_mpeg.c |
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Committing the Video Editor package under the Eclipse Public License
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*/ |
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Committing the Video Editor package under the Eclipse Public License
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338 |
|
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int vdcDecodeMPEGVolHeader(vdcHInstance_t hInstance, bibBuffer_t *inBuffer, CMPEG4Transcoder *hTranscoder); |
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Committing the Video Editor package under the Eclipse Public License
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340 |
|
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int vdcDecodeMPEGVop(vdcHInstance_t hInstance, bibBuffer_t *inBuffer, bibBuffer_t *outBuffer, |
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342 |
bibBufferEdit_t *bufEdit, int aColorEffect, TBool aGetDecodedFrame, |
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Committing the Video Editor package under the Eclipse Public License
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343 |
int aStartByteIndex, int aStartBitIndex, CMPEG4Transcoder *hTranscoder); |
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Committing the Video Editor package under the Eclipse Public License
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344 |
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345 |
int vdcIsMPEGINTRA( |
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vdcHInstance_t hInstance, |
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Committing the Video Editor package under the Eclipse Public License
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void *frameStart, |
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Committing the Video Editor package under the Eclipse Public License
Mikael Laine <mikael.laine@ixonos.com>
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unsigned frameLength); |
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#endif |
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// End of File |